Falcon's Eye

Falcon's Eye is a version of the computer game NetHack which introduces isometric graphics and mouse control.[3] Falcon's Eye has been praised for improving NetHack's visuals and audio to an almost commercial level[3] and has been noted as among some of the best free games available by Linux Journal.[4] After development stalled in 2001, the game development was continued as Vulture's Eye or later Vulture for Nethack.

Falcon's Eye
Falcon's Eye screenshot
Original author(s)Jaakko Peltonen
Developer(s)Clive Crous / community
Initial releaseFall 1999 to spring 2000[1]
Stable release
1.9.3 / July 3, 2001 (2001-07-03)
Preview release
2012-10-27[2] / October 27, 2012 (2012-10-27)
Operating systemCross-platform
TypeSingle-player, multiplayer Roguelike
LicenseNetHack General Public License
Websitefalconseye.sourceforge.net
Character selection screen in Falcon's Eye

Gameplay

The main change of Falcon's Eye over earlier Nethack variants is a massive improved graphical representation: it switched from a text-based 80x25 terminal representation to a 3D isometric perspective graphical representation.[3] The objects and enemies in the game are no longer represented by minimalistic ASCII characters, but now have actual graphical representations.

Whilst adding some features, such as a path finding tool, Falcon's Eye doesn't alter the NetHack gameplay. Peltonen says that this was to ensure that future versions remain compatible with future releases of NetHack.[3] Falcon's Eye provides a context menu when a creature or item is right-clicked.[3] Users can customize the interface by configuring the keyboard commands or by adding sound effects.[3]

History

Development

Falcon's Eye was developed by Jaakko Peltonen, a researcher of neural networks at Helsinki University of Technology, originally as a separate engine, and then grafted onto NetHack.[3] The artwork and sound effects are largely his, with some submissions from users.[3] NetHack's code assumes little about the user interface, telling which dungeon maps and messages to display, but leaves the implementation details to the interface. Peltonen explains that this versatility helped him to create Falcon's Eye, as he did not have to work around a fixed character-based interface.[3]

Falcon's Eye is released under the NetHack General Public License.[5]

Falcon's Eye was mostly programmed in C, with some C++ functions. Both SDL and DirectX are used for the graphics and sound in order to make the base code as system-independent as possible.[3]

Development stall

Since the release of version 1.9.3 in 2001, development of Falcon's Eye has not progressed, with the game based on a now out-of-date version of NetHack. In the interim, at least one unofficial update has appeared in the portage package management system.

Peltonen had planned to add more customization options, allowing users to add their own graphics. As some users reported difficulty in compiling and installing Falcon's Eye, he also wished to simplify this procedure.[3] He also envisions an application for NetHack that allows a user to switch between different user interfaces, similar to software skins.[3]

Continuation: Vulture's Eye

The level of inactivity between 2001 and 2005 prompted Clive Crous to fork Falcon's Eye to create Vulture's Eye and Vulture's Claw,[6] which have significant improvements on the original. The development happened on bitbucket,[7] a switch from the previous repository Sourceforge. The game was ported to several platforms, for instance the OpenPandora handheld.[8]

Later this development branch was just called Vulture and is under continued development (as of February 2017).[9][10] While still being Free and open source software the game is commercialized via the author's website and Desura for $2.99. In October 2013 the game was put into the Steam Greenlight process[11] and successfully released on Steam in February 2015.[12]

Reception

Falcon's Eye has been praised for improving NetHack's visuals and audio to an almost commercial level.[3] In 2003 NetHack: Falcon's Eye received The Linux Game Tome's Best Free Role-Playing Game award.[13] A 2008 review of Vulture's Eye on gamesetwatch.com called the graphics "well done".[14] Linux Journal noted the game as among some of the best free games available in 2010.[4]

Between 2001 and March 2018 Falcon's Eye was downloaded nearly 580,000 times from Sourceforge[15] while by March 2018 Steamspy reported over 22,000 owners of Vulture for Nethack purchased via Steam.[16]

References
  1. nethack at webarchive.org (2001)
  2. master on bitbucket.com
  3. Howard Wen (2003-01-02). "Falcon's Eye: The Making-Over of Nethack". ONLamp.com. O'Reilly Media.
  4. More Free Games for Linux - Linux Journal by Mike Diehl (Jan 19, 2010)
  5. license on nethack.org
  6. The History of Rogue: Have @ You, You Deadly Zs by Matt Barton & Bill Loguidiceon on Gamasutra "Falcon's Eye lives as a fork called Vulture's Eye."
  7. vulture on bitbucket.org/clivecrous
  8. Vulture's Eye 2.2.100.1 on repo.openpandora.org (August 24, 2012)
  9. Vulture
  10. Vulture Archived 2011-08-11 at the Wayback Machine on darkarts.co.za
  11. Vulture for NetHack on steamcommunity.com
  12. Vulture for NetHack on steam.com
  13. "Linux Game Tome Awards". happypenguin.org. 2003-01-28. Archived from the original on 2012-09-19. Retrieved 2008-04-01.
  14. COLUMN: @Play: Eye of the Vulture by John Harris on gamesetwatch.com (August 28, 2008)
  15. on sourceforge.net/projects/falconseye
  16. Vulture for Nethack on steamspy.com (March 2018)
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